# 6.4
glossary = {
    'list':'A collection of items in a particular order.',
    'string':'A series of characters.',
    'comment':'A note in a program that the Python interpreter ignores.',
    'loop':'Work through a collection of items, one at a time.',
    'dictionary':"A collection of key-value pairs."
    }
for word,definition in glossary.items():
    print(f"{word.title()}: {definition}")